A force of 30 N is acting on a body at an angle of 60 degree and the body is displaced by 4m in horizontal direction. Calculate the amount of work done.
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Answer:
Work done in fruit case =F.S.cosθ
=10×2×cos60
10J
Work done in second case is same as 10J=FScosθ
⇒F×2×cos30=10
F=
3
10
N
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